2020 BMW 3 Series 3.0 M340i Sport

Overview

• Make: BMW
• Model: 3 Series
• Trim: Sport
• Version: 3.0 M340i Sport Auto 4WD Euro 6 4dr (368 bhp)
• Year: 2020
• Mileage: 31,000 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 368 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Black
• CO2: 185 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2020 BMW 3 Series Sport has covered 31,000 miles. Priced at £35,950, it is advertised £1,984 above the AskCar estimate of £33,966. The AskCar estimate uses 6,886 UK dealer adverts for the BMW 3 Series, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 163 days. The last MOT shows 36,377 miles, more than the advert. This is worth checking with the dealer. Its recorded MOT is valid until 14 April 2027. You can find this car at Drivewise Automotive in Rotherham. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,984 (5%) over the AskCar estimate of £33,966.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,886 priced BMW 3 Series adverts across different ages and specifications, as of 7 November 2026.

A 2020 BMW 3 Series with the 3.0 petrol engine is typically advertised at £28,000: the median of the 65 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2020 BMW 3 Series has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £35,950. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 14 April 2027.

It has had 5 MOTs. The latest, on 2 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 36,377 miles. The advert says 31,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 28,200 miles lower than the median mileage of a 2020 BMW 3 Series on AskCar.

Similar cars

12 other 2020 BMW 3 Series Sport 3.0 petrol automatic saloons are for sale at UK dealers, from £26,495 to £37,950, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 29,600 miles. Price: £33,500, £2,450 less than this car. Dealer: Sytner Chigwell BMW in Chigwell. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-1be5efb77807
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, blue. Mileage: 28,650 miles. Price: £30,995, £4,955 less than this car. Dealer: Ned Potter in Hereford. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-252864b41ab9
• 2020 BMW 3 Series Sport, 3.0 petrol saloon, grey. Mileage: 24,728 miles. Price: £33,985, £1,965 less than this car. Dealer: Stratstone Bmw Doncaster in Doncaster. AskCar page: https://askcar.co.uk/car/bmw-3-series-2020-5a609f2e913b